Sabrina You can store the tubers to try a few in a shoebox under yer bed or in a closet
over winter. Dry (to prevent rot) is most important followed by keeping cool. Here, people store the tubers all kinds of ways. In the basement, in the garage. Leave em in a pot and bring them in and let them go dormant. The key thing is, they cannot be allowed to freeze.
But as you said, they are easy to grow from seed. One of the easiest things I have ever grown from seed.